USD599007SExpiredUtility
Port plug for respiratory mask
Est. expiryJan 12, 2026(expired)· nominal 20-yr term from priority
Inventors:Philip Thomas Stallard
47
PatentIndex Score
4
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a port plug for respiratory mask, as shown and described.Join the waitlist — get patent alerts
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